The colonists wanted their independence from England, so they rebelled in 1776, but the started the war even earlier. They started the Revolutionary War in the 1770's. The answer to your question is independence.
They forced the commercialisation of agriculture with the growing of various cash crops and the raw materials for the industries in the Britain. With the strong political control, the British were able to monopolise the trade with India. They defeated their foreign rivals in trade so that there could be no competition.
The advanced weaponary helped europe conquer new lands and territory because they had weapons to kill more people and show who was in charge
The main way in which anthropologists are able to make generalizations about human behavior is by looking at how they used to live their life--their tools, migration patters, war tactics, etc--which are very similar throughout populations.
